TY - JOUR AU - David Sprows TI - Subhomeotopy groups of the 2-sphere with n holes JO - Fundamenta Mathematicae PY - 1980 SP - 1 EP - 5 VL - 108 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-108-1-1-5/ DO - 10.4064/fm-108-1-1-5 LA - en ID - 10_4064_fm_108_1_1_5 ER -